Matthew E. Kahn is a Provost Professor of Economics at the University of Southern California. He is a research associate at the National Bureau of Economic Research and a research fellow at IZA. He has taught at Columbia, the Fletcher School at Tufts University, UCLA , and Johns Hopkins University. He has served as a Visiting Professor at Harvard, Stanford and the National University of Singapore. He is a graduate of Hamilton College and the London School of Economics. He holds a Ph.D. in Economics from the University of Chicago.